Fix sign related issues.

[bertos.git] / bertos / net / nmea.c

diff --git a/bertos/net/nmea.c b/bertos/net/nmea.c
index 8fe3ad7ea207319c99dc22fd4529165a2893332d..d232c73adfa253de40069cfff4797c081884d905 100644 (file)
--- a/bertos/net/nmea.c
+++ b/bertos/net/nmea.c
@@ -165,9 +165,9 @@ static udegree_t nmea_longitude(const char *plot, const char *phem)
  * Return altitude in meter from a string.
  *
  */
-static uint16_t nmea_altitude(const char *palt, const char *punits)
+static int32_t nmea_altitude(const char *palt, const char *punits)
 {
-       uint32_t alt;
+       int32_t alt;
 
        if (*palt == 0)
                return 0;